Reference material
Typical fixture flow planning
| Fixture | Planning range | What changes it |
|---|---|---|
| Drinking tap | 0.3-0.75 GPM | filter/UV limit |
| Kitchen faucet | 0.5-1.5 GPM | aerator/sprayer |
| Camper shower | 0.75-1.5 GPM | head/trigger |
| Outdoor rinse | 0.75-2.0 GPM | hose/nozzle |
| 12 V RV pump | 2-5+ GPM rated | pressure/system curve |
| Ranges are examples, not requirements. Measure actual flow by timing a known-volume container. |